Bigger Stronger Faster Magazine Article - The Reverse Back Extension Machine
This article shows my original double hyper bench built 13 December 1979 and professional model BACK MASTER I. Also shown plate loading model of Bigger Faster Stronger Co.
The Inventor of the Leg Raise Hyper Extension Exercise / Reverse Hyperextension Exercise | tony@silaathletic.com |
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This article shows my original double hyper bench built 13 December 1979 and professional model BACK MASTER I. Also shown plate loading model of Bigger Faster Stronger Co.